arch/arm/mach-pxa/cm-x300.c

   1 /*
   2  * linux/arch/arm/mach-pxa/cm-x300.c
   3  *
   4  * Support for the CompuLab CM-X300 modules
   5  *
   6  * Copyright (C) 2008,2009 CompuLab Ltd.
   7  *
   8  * Mike Rapoport <mike@compulab.co.il>
   9  * Igor Grinberg <grinberg@compulab.co.il>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/init.h>
  20 #include <linux/delay.h>
  21 #include <linux/platform_device.h>
  22
  23 #include <linux/gpio.h>
  24 #include <linux/dm9000.h>
  25 #include <linux/leds.h>
  26 #include <linux/rtc-v3020.h>
  27 #include <linux/pwm_backlight.h>
  28
  29 #include <linux/i2c.h>
  30 #include <linux/i2c/pca953x.h>
  31
  32 #include <linux/mfd/da903x.h>
  33 #include <linux/power_supply.h>
  34 #include <linux/apm-emulation.h>
  35
  36 #include <linux/spi/spi.h>
  37 #include <linux/spi/spi_gpio.h>
  38 #include <linux/spi/tdo24m.h>
  39
  40 #include <asm/mach-types.h>
  41 #include <asm/mach/arch.h>
  42 #include <asm/setup.h>
  43
  44 #include <mach/pxa300.h>
  45 #include <mach/pxa27x-udc.h>
  46 #include <mach/pxafb.h>
  47 #include <mach/mmc.h>
  48 #include <mach/ohci.h>
  49 #include <plat/i2c.h>
  50 #include <plat/pxa3xx_nand.h>
  51 #include <mach/audio.h>
  52
  53 #include <asm/mach/map.h>
  54
  55 #include "generic.h"
  56 #include "devices.h"
  57
  58 #define CM_X300_ETH_PHYS        0x08000010
  59
  60 #define GPIO82_MMC_IRQ          (82)
  61 #define GPIO85_MMC_WP           (85)
  62
  63 #define CM_X300_MMC_IRQ         IRQ_GPIO(GPIO82_MMC_IRQ)
  64
  65 #define GPIO95_RTC_CS           (95)
  66 #define GPIO96_RTC_WR           (96)
  67 #define GPIO97_RTC_RD           (97)
  68 #define GPIO98_RTC_IO           (98)
  69
  70 static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
  71         /* LCD */
  72         GPIO54_LCD_LDD_0,
  73         GPIO55_LCD_LDD_1,
  74         GPIO56_LCD_LDD_2,
  75         GPIO57_LCD_LDD_3,
  76         GPIO58_LCD_LDD_4,
  77         GPIO59_LCD_LDD_5,
  78         GPIO60_LCD_LDD_6,
  79         GPIO61_LCD_LDD_7,
  80         GPIO62_LCD_LDD_8,
  81         GPIO63_LCD_LDD_9,
  82         GPIO64_LCD_LDD_10,
  83         GPIO65_LCD_LDD_11,
  84         GPIO66_LCD_LDD_12,
  85         GPIO67_LCD_LDD_13,
  86         GPIO68_LCD_LDD_14,
  87         GPIO69_LCD_LDD_15,
  88         GPIO72_LCD_FCLK,
  89         GPIO73_LCD_LCLK,
  90         GPIO74_LCD_PCLK,
  91         GPIO75_LCD_BIAS,
  92
  93         /* BTUART */
  94         GPIO111_UART2_RTS,
  95         GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
  96         GPIO113_UART2_TXD,
  97         GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
  98
  99         /* STUART */
 100         GPIO109_UART3_TXD,
 101         GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
 102
 103         /* AC97 */
 104         GPIO23_AC97_nACRESET,
 105         GPIO24_AC97_SYSCLK,
 106         GPIO29_AC97_BITCLK,
 107         GPIO25_AC97_SDATA_IN_0,
 108         GPIO27_AC97_SDATA_OUT,
 109         GPIO28_AC97_SYNC,
 110
 111         /* Keypad */
 112         GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
 113         GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
 114         GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
 115         GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
 116         GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
 117         GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
 118         GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
 119         GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
 120         GPIO121_KP_MKOUT_0,
 121         GPIO122_KP_MKOUT_1,
 122         GPIO123_KP_MKOUT_2,
 123         GPIO124_KP_MKOUT_3,
 124         GPIO125_KP_MKOUT_4,
 125         GPIO4_2_KP_MKOUT_5,
 126
 127         /* MMC1 */
 128         GPIO3_MMC1_DAT0,
 129         GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
 130         GPIO5_MMC1_DAT2,
 131         GPIO6_MMC1_DAT3,
 132         GPIO7_MMC1_CLK,
 133         GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
 134
 135         /* MMC2 */
 136         GPIO9_MMC2_DAT0,
 137         GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
 138         GPIO11_MMC2_DAT2,
 139         GPIO12_MMC2_DAT3,
 140         GPIO13_MMC2_CLK,
 141         GPIO14_MMC2_CMD,
 142
 143         /* FFUART */
 144         GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
 145         GPIO31_UART1_TXD,
 146         GPIO32_UART1_CTS,
 147         GPIO37_UART1_RTS,
 148         GPIO33_UART1_DCD,
 149         GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
 150         GPIO35_UART1_RI,
 151         GPIO36_UART1_DTR,
 152
 153         /* GPIOs */
 154         GPIO82_GPIO | MFP_PULL_HIGH,    /* MMC CD */
 155         GPIO85_GPIO,                    /* MMC WP */
 156         GPIO99_GPIO,                    /* Ethernet IRQ */
 157
 158         /* RTC GPIOs */
 159         GPIO95_GPIO,                    /* RTC CS */
 160         GPIO96_GPIO,                    /* RTC WR */
 161         GPIO97_GPIO,                    /* RTC RD */
 162         GPIO98_GPIO,                    /* RTC IO */
 163
 164         /* Standard I2C */
 165         GPIO21_I2C_SCL,
 166         GPIO22_I2C_SDA,
 167
 168         /* PWM Backlight */
 169         GPIO19_PWM2_OUT,
 170 };
 171
 172 static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
 173         /* GPIOs */
 174         GPIO79_GPIO,                    /* LED */
 175         GPIO77_GPIO,                    /* WiFi reset */
 176         GPIO78_GPIO,                    /* BT reset */
 177 };
 178
 179 static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
 180         /* GPIOs */
 181         GPIO76_GPIO,                    /* LED */
 182         GPIO71_GPIO,                    /* WiFi reset */
 183         GPIO70_GPIO,                    /* BT reset */
 184 };
 185
 186 static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
 187         /* USB PORT 2 */
 188         ULPI_STP,
 189         ULPI_NXT,
 190         ULPI_DIR,
 191         GPIO30_ULPI_DATA_OUT_0,
 192         GPIO31_ULPI_DATA_OUT_1,
 193         GPIO32_ULPI_DATA_OUT_2,
 194         GPIO33_ULPI_DATA_OUT_3,
 195         GPIO34_ULPI_DATA_OUT_4,
 196         GPIO35_ULPI_DATA_OUT_5,
 197         GPIO36_ULPI_DATA_OUT_6,
 198         GPIO37_ULPI_DATA_OUT_7,
 199         GPIO38_ULPI_CLK,
 200         /* external PHY reset pin */
 201         GPIO127_GPIO,
 202
 203         /* USB PORT 3 */
 204         GPIO77_USB_P3_1,
 205         GPIO78_USB_P3_2,
 206         GPIO79_USB_P3_3,
 207         GPIO80_USB_P3_4,
 208         GPIO81_USB_P3_5,
 209         GPIO82_USB_P3_6,
 210         GPIO0_2_USBH_PEN,
 211 };
 212
 213 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 214 static struct resource dm9000_resources[] = {
 215         [0] = {
 216                 .start  = CM_X300_ETH_PHYS,
 217                 .end    = CM_X300_ETH_PHYS + 0x3,
 218                 .flags  = IORESOURCE_MEM,
 219         },
 220         [1] = {
 221                 .start  = CM_X300_ETH_PHYS + 0x4,
 222                 .end    = CM_X300_ETH_PHYS + 0x4 + 500,
 223                 .flags  = IORESOURCE_MEM,
 224         },
 225         [2] = {
 226                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
 227                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
 228                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 229         }
 230 };
 231
 232 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
 233         .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
 234 };
 235
 236 static struct platform_device dm9000_device = {
 237         .name           = "dm9000",
 238         .id             = 0,
 239         .num_resources  = ARRAY_SIZE(dm9000_resources),
 240         .resource       = dm9000_resources,
 241         .dev            = {
 242                 .platform_data = &cm_x300_dm9000_platdata,
 243         }
 244
 245 };
 246
 247 static void __init cm_x300_init_dm9000(void)
 248 {
 249         platform_device_register(&dm9000_device);
 250 }
 251 #else
 252 static inline void cm_x300_init_dm9000(void) {}
 253 #endif
 254
 255 /* LCD */
 256 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 257 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
 258         [0] = {
 259                 .pixclock       = 38250,
 260                 .bpp            = 16,
 261                 .xres           = 480,
 262                 .yres           = 640,
 263                 .hsync_len      = 8,
 264                 .vsync_len      = 2,
 265                 .left_margin    = 8,
 266                 .upper_margin   = 2,
 267                 .right_margin   = 24,
 268                 .lower_margin   = 4,
 269                 .cmap_greyscale = 0,
 270         },
 271         [1] = {
 272                 .pixclock       = 153800,
 273                 .bpp            = 16,
 274                 .xres           = 240,
 275                 .yres           = 320,
 276                 .hsync_len      = 8,
 277                 .vsync_len      = 2,
 278                 .left_margin    = 8,
 279                 .upper_margin   = 2,
 280                 .right_margin   = 88,
 281                 .lower_margin   = 2,
 282                 .cmap_greyscale = 0,
 283         },
 284 };
 285
 286 static struct pxafb_mach_info cm_x300_lcd = {
 287         .modes                  = cm_x300_lcd_modes,
 288         .num_modes              = ARRAY_SIZE(cm_x300_lcd_modes),
 289         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 290 };
 291
 292 static void __init cm_x300_init_lcd(void)
 293 {
 294         set_pxa_fb_info(&cm_x300_lcd);
 295 }
 296 #else
 297 static inline void cm_x300_init_lcd(void) {}
 298 #endif
 299
 300 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 301 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
 302         .pwm_id         = 2,
 303         .max_brightness = 100,
 304         .dft_brightness = 100,
 305         .pwm_period_ns  = 10000,
 306 };
 307
 308 static struct platform_device cm_x300_backlight_device = {
 309         .name           = "pwm-backlight",
 310         .dev            = {
 311                 .parent = &pxa27x_device_pwm0.dev,
 312                 .platform_data  = &cm_x300_backlight_data,
 313         },
 314 };
 315
 316 static void cm_x300_init_bl(void)
 317 {
 318         platform_device_register(&cm_x300_backlight_device);
 319 }
 320 #else
 321 static inline void cm_x300_init_bl(void) {}
 322 #endif
 323
 324 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
 325 #define GPIO_LCD_BASE   (144)
 326 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
 327 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
 328 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
 329 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
 330 #define LCD_SPI_BUS_NUM (1)
 331
 332 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
 333         .sck            = GPIO_LCD_SCL,
 334         .mosi           = GPIO_LCD_DIN,
 335         .miso           = GPIO_LCD_DOUT,
 336         .num_chipselect = 1,
 337 };
 338
 339 static struct platform_device cm_x300_spi_gpio = {
 340         .name           = "spi_gpio",
 341         .id             = LCD_SPI_BUS_NUM,
 342         .dev            = {
 343                 .platform_data  = &cm_x300_spi_gpio_pdata,
 344         },
 345 };
 346
 347 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
 348         .model = TDO35S,
 349 };
 350
 351 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
 352         {
 353                 .modalias               = "tdo24m",
 354                 .max_speed_hz           = 1000000,
 355                 .bus_num                = LCD_SPI_BUS_NUM,
 356                 .chip_select            = 0,
 357                 .controller_data        = (void *) GPIO_LCD_CS,
 358                 .platform_data          = &cm_x300_tdo24m_pdata,
 359         },
 360 };
 361
 362 static void __init cm_x300_init_spi(void)
 363 {
 364         spi_register_board_info(cm_x300_spi_devices,
 365                                 ARRAY_SIZE(cm_x300_spi_devices));
 366         platform_device_register(&cm_x300_spi_gpio);
 367 }
 368 #else
 369 static inline void cm_x300_init_spi(void) {}
 370 #endif
 371
 372 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 373 static void __init cm_x300_init_ac97(void)
 374 {
 375         pxa_set_ac97_info(NULL);
 376 }
 377 #else
 378 static inline void cm_x300_init_ac97(void) {}
 379 #endif
 380
 381 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 382 static struct mtd_partition cm_x300_nand_partitions[] = {
 383         [0] = {
 384                 .name        = "OBM",
 385                 .offset      = 0,
 386                 .size        = SZ_256K,
 387                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 388         },
 389         [1] = {
 390                 .name        = "U-Boot",
 391                 .offset      = MTDPART_OFS_APPEND,
 392                 .size        = SZ_256K,
 393                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 394         },
 395         [2] = {
 396                 .name        = "Environment",
 397                 .offset      = MTDPART_OFS_APPEND,
 398                 .size        = SZ_256K,
 399         },
 400         [3] = {
 401                 .name        = "reserved",
 402                 .offset      = MTDPART_OFS_APPEND,
 403                 .size        = SZ_256K + SZ_1M,
 404                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 405         },
 406         [4] = {
 407                 .name        = "kernel",
 408                 .offset      = MTDPART_OFS_APPEND,
 409                 .size        = SZ_4M,
 410         },
 411         [5] = {
 412                 .name        = "fs",
 413                 .offset      = MTDPART_OFS_APPEND,
 414                 .size        = MTDPART_SIZ_FULL,
 415         },
 416 };
 417
 418 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
 419         .enable_arbiter = 1,
 420         .keep_config    = 1,
 421         .parts          = cm_x300_nand_partitions,
 422         .nr_parts       = ARRAY_SIZE(cm_x300_nand_partitions),
 423 };
 424
 425 static void __init cm_x300_init_nand(void)
 426 {
 427         pxa3xx_set_nand_info(&cm_x300_nand_info);
 428 }
 429 #else
 430 static inline void cm_x300_init_nand(void) {}
 431 #endif
 432
 433 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 434 static struct pxamci_platform_data cm_x300_mci_platform_data = {
 435         .detect_delay           = 20,
 436         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 437         .gpio_card_detect       = GPIO82_MMC_IRQ,
 438         .gpio_card_ro           = GPIO85_MMC_WP,
 439         .gpio_power             = -1,
 440 };
 441
 442 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
 443    no detection/ro pins */
 444 static int cm_x300_mci2_init(struct device *dev,
 445                              irq_handler_t cm_x300_detect_int,
 446         void *data)
 447 {
 448         return 0;
 449 }
 450
 451 static void cm_x300_mci2_exit(struct device *dev, void *data)
 452 {
 453 }
 454
 455 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
 456         .detect_delay           = 20,
 457         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 458         .init                   = cm_x300_mci2_init,
 459         .exit                   = cm_x300_mci2_exit,
 460         .gpio_card_detect       = -1,
 461         .gpio_card_ro           = -1,
 462         .gpio_power             = -1,
 463 };
 464
 465 static void __init cm_x300_init_mmc(void)
 466 {
 467         pxa_set_mci_info(&cm_x300_mci_platform_data);
 468         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
 469 }
 470 #else
 471 static inline void cm_x300_init_mmc(void) {}
 472 #endif
 473
 474 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 475 static int cm_x300_ohci_init(struct device *dev)
 476 {
 477         if (cpu_is_pxa300())
 478                 UP2OCR = UP2OCR_HXS
 479                         | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
 480
 481         return 0;
 482 }
 483
 484 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
 485         .port_mode      = PMM_PERPORT_MODE,
 486         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
 487         .init           = cm_x300_ohci_init,
 488 };
 489
 490 static void __init cm_x300_init_ohci(void)
 491 {
 492         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 493 }
 494 #else
 495 static inline void cm_x300_init_ohci(void) {}
 496 #endif
 497
 498 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 499 static struct gpio_led cm_x300_leds[] = {
 500         [0] = {
 501                 .name = "cm-x300:green",
 502                 .default_trigger = "heartbeat",
 503                 .active_low = 1,
 504         },
 505 };
 506
 507 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
 508         .num_leds = ARRAY_SIZE(cm_x300_leds),
 509         .leds = cm_x300_leds,
 510 };
 511
 512 static struct platform_device cm_x300_led_device = {
 513         .name           = "leds-gpio",
 514         .id             = -1,
 515         .dev            = {
 516                 .platform_data = &cm_x300_gpio_led_pdata,
 517         },
 518 };
 519
 520 static void __init cm_x300_init_leds(void)
 521 {
 522         if (system_rev < 130)
 523                 cm_x300_leds[0].gpio = 79;
 524         else
 525                 cm_x300_leds[0].gpio = 76;
 526
 527         platform_device_register(&cm_x300_led_device);
 528 }
 529 #else
 530 static inline void cm_x300_init_leds(void) {}
 531 #endif
 532
 533 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 534 /* PCA9555 */
 535 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 536         .gpio_base = 128,
 537 };
 538
 539 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 540         .gpio_base = 144,
 541 };
 542
 543 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
 544         [0] = {
 545                 I2C_BOARD_INFO("pca9555", 0x24),
 546                 .platform_data = &cm_x300_gpio_ext_pdata_0,
 547         },
 548         [1] = {
 549                 I2C_BOARD_INFO("pca9555", 0x25),
 550                 .platform_data = &cm_x300_gpio_ext_pdata_1,
 551         },
 552 };
 553
 554 static void __init cm_x300_init_i2c(void)
 555 {
 556         pxa_set_i2c_info(NULL);
 557         i2c_register_board_info(0, cm_x300_gpio_ext_info,
 558                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
 559 }
 560 #else
 561 static inline void cm_x300_init_i2c(void) {}
 562 #endif
 563
 564 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 565 struct v3020_platform_data cm_x300_v3020_pdata = {
 566         .use_gpio       = 1,
 567         .gpio_cs        = GPIO95_RTC_CS,
 568         .gpio_wr        = GPIO96_RTC_WR,
 569         .gpio_rd        = GPIO97_RTC_RD,
 570         .gpio_io        = GPIO98_RTC_IO,
 571 };
 572
 573 static struct platform_device cm_x300_rtc_device = {
 574         .name           = "v3020",
 575         .id             = -1,
 576         .dev            = {
 577                 .platform_data = &cm_x300_v3020_pdata,
 578         }
 579 };
 580
 581 static void __init cm_x300_init_rtc(void)
 582 {
 583         platform_device_register(&cm_x300_rtc_device);
 584 }
 585 #else
 586 static inline void cm_x300_init_rtc(void) {}
 587 #endif
 588
 589 /* Battery */
 590 struct power_supply_info cm_x300_psy_info = {
 591         .name = "battery",
 592         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
 593         .voltage_max_design = 4200000,
 594         .voltage_min_design = 3000000,
 595         .use_for_apm = 1,
 596 };
 597
 598 static void cm_x300_battery_low(void)
 599 {
 600 #if defined(CONFIG_APM_EMULATION)
 601         apm_queue_event(APM_LOW_BATTERY);
 602 #endif
 603 }
 604
 605 static void cm_x300_battery_critical(void)
 606 {
 607 #if defined(CONFIG_APM_EMULATION)
 608         apm_queue_event(APM_CRITICAL_SUSPEND);
 609 #endif
 610 }
 611
 612 struct da9030_battery_info cm_x300_battery_info = {
 613         .battery_info = &cm_x300_psy_info,
 614
 615         .charge_milliamp = 1000,
 616         .charge_millivolt = 4200,
 617
 618         .vbat_low = 3600,
 619         .vbat_crit = 3400,
 620         .vbat_charge_start = 4100,
 621         .vbat_charge_stop = 4200,
 622         .vbat_charge_restart = 4000,
 623
 624         .vcharge_min = 3200,
 625         .vcharge_max = 5500,
 626
 627         .tbat_low = 197,
 628         .tbat_high = 78,
 629         .tbat_restart = 100,
 630
 631         .batmon_interval = 0,
 632
 633         .battery_low = cm_x300_battery_low,
 634         .battery_critical = cm_x300_battery_critical,
 635 };
 636
 637 /* DA9030 */
 638 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
 639         {
 640                 .name = "da903x-backlight",
 641                 .id = DA9030_ID_WLED,
 642         },
 643         {
 644                 .name = "da903x-battery",
 645                 .id = DA9030_ID_BAT,
 646                 .platform_data = &cm_x300_battery_info,
 647         },
 648 };
 649
 650 static struct da903x_platform_data cm_x300_da9030_info = {
 651         .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
 652         .subdevs = cm_x300_da9030_subdevs,
 653 };
 654
 655 static struct i2c_board_info cm_x300_pmic_info = {
 656         I2C_BOARD_INFO("da9030", 0x49),
 657         .irq = IRQ_GPIO(0),
 658         .platform_data = &cm_x300_da9030_info,
 659 };
 660
 661 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
 662         .use_pio = 1,
 663 };
 664
 665 static void __init cm_x300_init_da9030(void)
 666 {
 667         pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
 668         i2c_register_board_info(1, &cm_x300_pmic_info, 1);
 669 }
 670
 671 static void __init cm_x300_init_wi2wi(void)
 672 {
 673         int bt_reset, wlan_en;
 674         int err;
 675
 676         if (system_rev < 130) {
 677                 wlan_en = 77;
 678                 bt_reset = 78;
 679         } else {
 680                 wlan_en = 71;
 681                 bt_reset = 70;
 682         }
 683
 684         /* Libertas and CSR reset */
 685         err = gpio_request(wlan_en, "wlan en");
 686         if (err) {
 687                 pr_err("CM-X300: failed to request wlan en gpio: %d\n", err);
 688         } else {
 689                 gpio_direction_output(wlan_en, 1);
 690                 gpio_free(wlan_en);
 691         }
 692
 693         err = gpio_request(bt_reset, "bt reset");
 694         if (err) {
 695                 pr_err("CM-X300: failed to request bt reset gpio: %d\n", err);
 696         } else {
 697                 gpio_direction_output(bt_reset, 1);
 698                 udelay(10);
 699                 gpio_set_value(bt_reset, 0);
 700                 udelay(10);
 701                 gpio_set_value(bt_reset, 1);
 702                 gpio_free(bt_reset);
 703         }
 704 }
 705
 706 /* MFP */
 707 static void __init cm_x300_init_mfp(void)
 708 {
 709         /* board-processor specific GPIO initialization */
 710         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
 711
 712         if (system_rev < 130)
 713                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
 714         else
 715                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
 716
 717         if (cpu_is_pxa310())
 718                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
 719 }
 720
 721 static void __init cm_x300_init(void)
 722 {
 723         cm_x300_init_mfp();
 724
 725         pxa_set_ffuart_info(NULL);
 726         pxa_set_btuart_info(NULL);
 727         pxa_set_stuart_info(NULL);
 728
 729         cm_x300_init_da9030();
 730         cm_x300_init_dm9000();
 731         cm_x300_init_lcd();
 732         cm_x300_init_ohci();
 733         cm_x300_init_mmc();
 734         cm_x300_init_nand();
 735         cm_x300_init_leds();
 736         cm_x300_init_i2c();
 737         cm_x300_init_spi();
 738         cm_x300_init_rtc();
 739         cm_x300_init_ac97();
 740         cm_x300_init_wi2wi();
 741         cm_x300_init_bl();
 742 }
 743
 744 static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
 745                                  char **cmdline, struct meminfo *mi)
 746 {
 747         mi->nr_banks = 2;
 748         mi->bank[0].start = 0xa0000000;
 749         mi->bank[0].node = 0;
 750         mi->bank[0].size = (64*1024*1024);
 751         mi->bank[1].start = 0xc0000000;
 752         mi->bank[1].node = 0;
 753         mi->bank[1].size = (64*1024*1024);
 754 }
 755
 756 MACHINE_START(CM_X300, "CM-X300 module")
 757         .phys_io        = 0x40000000,
 758         .boot_params    = 0xa0000100,
 759         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 760         .map_io         = pxa_map_io,
 761         .init_irq       = pxa3xx_init_irq,
 762         .timer          = &pxa_timer,
 763         .init_machine   = cm_x300_init,
 764         .fixup          = cm_x300_fixup,
 765 MACHINE_END